Effects of thermal annealing on the efficiency of bulk-heterojunction organic photovoltaic devices
- Authors
- Jeong, Jin Wook; Huh, Jin Woo; Lee, Jeong Ik; Chu, Hye Yong; Han, Il Ki; Ju, Byeong-Kwon
- Issue Date
- 5월-2010
- Publisher
- ELSEVIER
- Keywords
- Morphology; Absorption; Organic solar cells; Photovoltaic; Annealing
- Citation
- CURRENT APPLIED PHYSICS, v.10, no.3, pp.S520 - S524
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- CURRENT APPLIED PHYSICS
- Volume
- 10
- Number
- 3
- Start Page
- S520
- End Page
- S524
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/116564
- DOI
- 10.1016/j.cap.2010.02.023
- ISSN
- 1567-1739
- Abstract
- This paper studies the effect of the annealing process on the performance of P3HT/PCBM photovoltaic devices, in terms of their efficiencies. The basic photovoltaic devices are annealed on a hot-plate, at a temperature of 150 degrees C for 10 min in air. For comparison, the thermal annealing of photovoltaic devices is carried out using rapid thermal annealing (RTA) equipment, at a temperature of 150 degrees C for 10 min in different environments such as in vacuum, in nitrogen and in argon, individually. The light conversion efficiency (E-ff) of the resulting photovoltaic devices increases from 2.29% (hot-plate annealing) to 2.77% after annealing in a vacuum environment. As a result, the organic photovoltaic devices, annealed in a vacuum show enhanced efficiencies compared with those annealed in different gas environments. (C) 2010 Elsevier B. V. All rights reserved.
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